Couldn't access any CRAN mirror to install shiny

[venkat sainath]

It says the following when I tried to install it

Warning: unable to access index for repository http://rstudio.org/_packages/bin/windows/contrib/2.12
Warning: unable to access index for repository http://cran.stat.nus.edu.sg/bin/windows/contrib/2.12
Warning: unable to access index for repository http://www.stats.ox.ac.uk/pub/RWin/bin/windows/contrib/2.12
Warning messages:
1: In open.connection(con, "r") : unable to resolve 'cran.r-project.org'
2: In getDependencies(pkgs, dependencies, available, lib) :
  package ‘shiny’ is not available

Could someone help me solve this.. Thanks in advance.

[Joe Cheng]

Hi Venkat, Shiny requires R 2.15. If you upgrade it should work. 

Sent from my phone

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[venkat sainath]

Hi Joe,

I've installed 2.15.1. But it still shows the error, like this
Warning: unable to access index for repository http://rstudio.org/_packages/bin/windows/contrib/2.15
Warning: unable to access index for repository http://mirrors.nics.utk.edu/cran/bin/windows/contrib/2.15
Warning: unable to access index for repository http://www.stats.ox.ac.uk/pub/RWin/bin/windows/contrib/2.15

Warning messages:
1: In open.connection(con, "r") : unable to resolve 'cran.r-project.org'

2: package ‘shiny’ is not available (for R version 2.15.1)

Is RStudio required? I'm currently running it in R console.Sorry if I'm missing basics. I'm very much new to R.

[Ziyuan Lin]

Hi Venkat,

Have you followed the installation guide on the Shiny page?

options(repos=c(RStudio='http://rstudio.org/_packages', getOption('repos')))
install.packages('shiny')

[venkat sainath]

Hello Ziyuan,

Yes, I've pasted the commands in the R console and selected mirrors from two or three countries.The message is the same..Could not access the index.. Could it be because of proxy issues?

[Joe Cheng]

It is almost certainly a proxy problem. See

http://stackoverflow.com/questions/4832560/how-do-i-tell-the-r-interpreter-how-to-use-the-proxy-server

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[Elias Tsolis]

Hello venkat,

I had a similar problem.

I was checking the internet all over and I could not find a solution. 

What was found that, In Linux, the installation of R-base was broken. 

So I updated its installation. 

Sincerely,

Elias Tsolis